Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao duoc do snippets" » "dao duoc code snippets", "tao duoc do snippets", "dao duc do snippets", "da duoc do snippets", "dao duoc dao snippets", "dao duoc co snippets", "dao duoc vo 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 duoc do 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 duoc do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao duoc do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao duoc do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.