Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"anh phan cac snippets" » "anh phan code snippets", "hanh phan cac snippets", "anh nhan cac snippets", "anh han cac snippets", "anh nhan cach snippets", "anh phan dau snippets", "anh phan lap 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: (((("anh phan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh phan cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( anh phan cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh phan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.