Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong te ca snippets" » "cong te code snippets", "cong ty ca snippets", "cong ti ca snippets", "cong tu ca snippets", "cong te cao snippets", "cong te cua snippets", "cong te cac 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 te ca 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 te ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong te ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong te ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.