Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong tao cau snippets" » "cong tao code snippets", "cong tac cau snippets", "cong tan cau snippets", "cong bao cau snippets", "cong tao cu snippets", "cong tao cao snippets", "cong tao sau 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 tao cau 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 tao cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong tao cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.