Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vung bao cau snippets" » "vung bao code snippets", "van bao cau snippets", "vung dat cau snippets", "vung va cau snippets", "vung bao cao snippets", "vung bo cau snippets", "vung tao cau 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 bao 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 bao cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vung bao cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung bao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.