Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi minh cau snippets" » "chi minh cau snippets", "thi hanh cau snippets", "thi bich cau snippets", "thi minh chau snippets", "thi sinh cau snippets", "thi minh can 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 minh 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 minh cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi minh cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi minh cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.