Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ban cau snippets" » "thi lan cau snippets", "tai ban cau snippets", "tri ban cau snippets", "thi bang cau snippets", "thi ban can snippets", "thi van 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 ban 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 ban cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ban cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ban cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.