Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dam hang cau snippets" » "dam hang code snippets", "dat hang cau snippets", "dam tang cau snippets", "dai hang cau snippets", "dam hang dau snippets", "dam hang ca snippets", "dam nhung cau 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: (((("dam hang 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: (((("dam hang cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dam hang cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam hang cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.