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