Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong chat co snippets" » "cong chat code snippets", "cong nhat co snippets", "cong cua co snippets", "cong ha co snippets", "cong thuat co snippets", "cong chat cua snippets", "cong chat deo 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 chat co 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 chat co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong chat co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chat co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.