Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi tu hon snippets" » "thi tu code snippets", "thi thu hon snippets", "thi cu hon snippets", "thi thuy hon snippets", "thi tu chon snippets", "thi tuc hon snippets", "thi 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: (((("thi 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: (((("thi tu hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi tu hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tu hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.