Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi van cac snippets" » "thi van code snippets", "thi lan cac snippets", "thi hanh cac snippets", "thi nang cac snippets", "thi van hac snippets", "thi van cau snippets", "thi van bac 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: (((("thi van 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: (((("thi van cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi van cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi van cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.