Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"choi va hieu snippets" » "hoi va hieu snippets", "chai va hieu snippets", "cho va hieu snippets", "choi van hieu snippets", "choi va dieu snippets", "choi cao hieu snippets", "choi va hieu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("choi va hieu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choi va hieu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( choi va hieu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi va hieu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.