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