Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gap phai so snippets" » "gap phoi so snippets", "gop phan so snippets", "dap phap so snippets", "gap phap so snippets", "gap hai so snippets", "gap phai co 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: (((("gap phai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gap phai so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gap phai so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gap phai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.