Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang tu hon snippets" » "dang tu code snippets", "dang thu hon snippets", "dang su hon snippets", "dong tu hon snippets", "dang tu chon snippets", "dang tuc hon snippets", "dang tu 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: (((("dang tu hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang tu hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang tu hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tu hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.