Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong ky hoi snippets" » "cong ky code snippets", "cuong ky hoi snippets", "cong ty hoi snippets", "hong ky hoi snippets", "cong ky doi snippets", "cong ky hoa snippets", "cong ky hop 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 ky hoi 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 ky hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong ky hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ky hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.