Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi cua doc snippets" » "thi cua code snippets", "thai cua doc snippets", "thi cuc doc snippets", "tri cua doc snippets", "thi cua duoc snippets", "thi cua duc snippets", "thi cua hoc 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 cua doc 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 cua doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi cua doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cua doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.