Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong xay con snippets" » "cong xay code snippets", "thong xay con snippets", "trong xay con snippets", "cong ty con snippets", "cong day con snippets", "cong cay cong snippets", "cong may cong 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 xay con 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 xay con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong xay con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong xay con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.