Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian hoc vo snippets" » "gian hoi vo snippets", "gian hoa vo snippets", "gian doc vo snippets", "gian hoc va snippets", "gian hoc co snippets", "gian hoc vi 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: (((("gian hoc vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian hoc vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian hoc vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian hoc vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.