Perhaps you should try some spelling variations:
"hanh java java snippets" » "hanh va java snippets"
"minh hang java slippers" » "minh hoang java slippers", "minh quang java slippers", "minh trang java slippers", "minh hang va slippers", "minh hang java slippery", "minh hang java grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("hanh java java snippets") or ("minh hang java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh java java snippets") OR ("minh hang java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh java java snippets ) or ( minh hang java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh java java snippets") or ("minh hang java slippers"))) or ("locating bug code snippets"))*.