Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chao van ton snippets" » "chao van code snippets", "cao van ton snippets", "hao van ton snippets", "thao van ton snippets", "chao van toan snippets", "chao van tan snippets", "chao van toi 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: (((("chao van ton snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chao van ton snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chao van ton snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao van ton snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.