Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao minh cau snippets" » "dao minh code snippets", "cao minh cau snippets", "van minh cau snippets", "duc minh cau snippets", "dao minh chau snippets", "dao sinh cau snippets", "dao minh can 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 minh cau 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 minh cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao minh cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao minh cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.