Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi dan ve snippets" » "thi dan code snippets", "thi doan ve snippets", "thi lan ve snippets", "thi dai ve snippets", "thi ban ve snippets", "thi dan va snippets", "thi dan viet 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: (((("thi dan ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi dan ve snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi dan ve snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi dan ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.