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