Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong lon cua snippets" » "cong lon code snippets", "cong luong cua snippets", "cong dong cua snippets", "cong cong cua snippets", "cong long cua snippets", "cong con cua snippets", "cong von cua 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 lon cua 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 lon cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong lon cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong lon cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.