Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi duoc cac snippets" » "chi duoc cac snippets", "thi nuoc cac snippets", "thi quoc cac snippets", "thi cuoc cach snippets", "thi duoc chat snippets", "thi duong cac 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 duoc cac 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 duoc cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi duoc cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi duoc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.