Perhaps you should try some spelling variations:
"hanh tao trinh slippers" » "hanh tao tinh slippers", "hanh tho trinh slippers", "hanh giao trinh slippers", "hanh tai trinh slippers", "hanh dao trinh slippers", "hanh tam trinh slippers", "hanh tao trinh slippery", "hanh tao trinh grippers"
"dung java java snippets" » "dung va java snippets"
"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 tao trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh tao trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh tao trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh tao trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.