Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri moi chuc snippets" » "tri hoi chuc snippets", "tri loi chuc snippets", "tri toi chuc snippets", "tri mot chuc snippets", "thi moi chuc snippets", "tri doi chuc 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: (((("tri moi chuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri moi chuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri moi chuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri moi chuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.