Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu va mon snippets" » "lieu va mon snippets", "hieu qua mon snippets", "hieu va mong snippets", "hieu va mot snippets", "hieu va con 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: (((("hieu va mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu va mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu va mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu va mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.