Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi van doc snippets" » "thi van code snippets", "thi lan doc snippets", "thi hanh doc snippets", "thi nang doc snippets", "thi van duoc snippets", "thi van hoc snippets", "thi van loc 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: (((("python using java snippets") or ("thi van doc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thi van doc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thi van doc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thi van doc snippets"))) or ("locating bug core snippets"))*.