Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao cua du snippets" » "tao cua code snippets", "thao cua du snippets", "tao cu du snippets", "tro cua du snippets", "tao cua duc snippets", "tao cua ndu snippets", "tao cua su 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: (((("tao cua du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao cua du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tao cua du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao cua du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.