Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vung ky chan snippets" » "mung ky chan snippets", "duong ky chan snippets", "nhung ky chan snippets", "vung ky chau snippets", "vung ly chan snippets", "vung ky chinh 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: (((("vung ky chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vung ky chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vung ky chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung ky chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.