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