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