Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong tan can snippets" » "cong tan code snippets", "cong tac can snippets", "cong san can snippets", "cong thanh can snippets", "cong toan can snippets", "cong tan van snippets", "cong ban can 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 tan can 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 tan can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong tan can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tan can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.