Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong hoc phe snippets" » "cong hoc code snippets", "dong hoc phe snippets", "cong hoa phe snippets", "cong coc phe snippets", "cong hoc pho snippets", "cong hoc he snippets", "cong hoc phi 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: (((("cong hoc phe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong hoc phe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong hoc phe snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hoc phe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.