Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trieu vit ca snippets" » "trieu lit ca snippets", "trieu vi ca snippets", "trien viet ca snippets", "trieu viet ca snippets", "trieu viet 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: (((("trieu vit ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trieu vit ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trieu vit ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trieu vit ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.