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