Perhaps you should try some spelling variations:
"luong java java snippets" » "luong va java snippets", "luong java java slippers"
"dong cach thuc snippets" » "dong cac thuc snippets", "dong bach thuc snippets", "phong cach thuc snippets", "dong anh thuc snippets", "dong cac thu snippets", "dong cach thuc slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dong cach thuc snippets") or ("luong java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong cach thuc snippets") OR ("luong java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong cach thuc snippets ) or ( luong java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cach thuc snippets") or ("luong java java snippets"))) or ("locating bug code snippets"))*.