Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"van trinh java snippets" » "van thinh java snippets", "van tinh java snippets", "dan trinh java snippets"
"dang dung code slippers" » "dan dung code slippers", "dang hung code slippers", "dang quang code slippers", "dang dung cong slippers", "dang dung co slippers", "dang dung de slippers"

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: (((("van trinh java snippets") or ("dang dung code slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van trinh java snippets") OR ("dang dung code slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( van trinh java snippets ) or ( dang dung code slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van trinh java snippets") or ("dang dung code slippers"))) or ("locating bugs code snippets"))*.