Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao pham can snippets" » "dao pham code snippets", "dao phat can snippets", "hao pham can snippets", "duoc pham can snippets", "dao pham van snippets", "dao pham lan snippets", "dao pham ca 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 pham can 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 pham can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao pham can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao pham can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.