Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu thi canh snippets" » "huu thi hanh snippets", "huu thi anh snippets", "huu thi oanh snippets", "luu thi canh snippets", "huu tai canh snippets", "huu tri canh 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: (((("huu thi canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu thi canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu thi canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu thi canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.