Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha suc voi snippets" » "phan suc voi snippets", "pham duc voi snippets", "pham cuc voi snippets", "pha su voi snippets", "pha sua voi snippets", "pha suc phoi 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: (((("pha suc voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha suc voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha suc voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha suc voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.