Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vung tao cau snippets" » "vung tao code snippets", "vung tau cau snippets", "vung bao cau snippets", "vung tay cau snippets", "vung tao cu snippets", "vung tao cao snippets", "vung tao sau snippets"
"python using java snippets" » "python using data 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 tao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vung tao cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vung tao cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung tao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.