Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri nao dong snippets" » "tri lao dong snippets", "tri dao dong snippets", "tri nam dong snippets", "tri nho dong snippets", "tri ngo dong snippets", "tri nhan dong 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 nao dong 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 nao dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri nao dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri nao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.