Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tieu anh so snippets" » "tieu danh so snippets", "tien anh so snippets", "tieng anh so snippets", "tieu anh son snippets", "tieu anh co 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: (((("tieu anh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tieu anh so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tieu anh so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tieu anh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.