Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri tiep doi snippets" » "truc tiep doi snippets", "tri tue doi snippets", "tri lieu doi snippets", "tri tiep do snippets", "tri tiep noi snippets", "tri tiep thi 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: (((("tri tiep doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri tiep doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri tiep doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri tiep doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.