Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hau cau snippets" » "thi hai cau snippets", "thi ha cau snippets", "khi hau cau snippets", "thi mau cau snippets", "thi hau can snippets", "thi hang cau snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 hau cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hau cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hau cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hau cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.