Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong co chi snippets" » "cong co code snippets", "dong co chi snippets", "cong cu chi snippets", "cong so chi snippets", "cong con chi snippets", "cong ho chi snippets", "cong co khi 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 co chi 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 co chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong co chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong co chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.