Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"do tri tiep snippets" » "do truc tiep snippets", "do tri tue snippets", "do tri lieu snippets", "do thi tiep snippets", "bo tri tiep snippets", "do tai tiep snippets", "do tri tiep slippers"

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: (((("do tri tiep snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do tri tiep snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( do tri tiep snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do tri tiep snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.