Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"choi va hoi snippets" » "hoi va hoi snippets", "chai va hoi snippets", "cho va hoi snippets", "choi xa hoi snippets", "choi va hoc snippets", "choi va hoa snippets"
"locating bug code snippets" » "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 hoi 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 hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( choi va hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.