Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao thanh du snippets" » "dao thanh code snippets", "ban thanh du snippets", "tro thanh du snippets", "de thanh du snippets", "dao thanh do snippets", "dao thanh tu snippets", "dao thanh de 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: (((("dao thanh 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: (((("dao thanh du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao thanh du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao thanh du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.