Perhaps you should try some spelling variations:
nhanh bang » nhanh lang, nhanh mang, nhanh thang
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
vat dung » van dung, va dung, viet dung
san thai » sac thai, van thai, sinh thai
ban thai » ban than, ban thi, ban tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sang - ((nhanh bang) or (nhanh quang)) vat dung cong ((san thai) OR (ban thai)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sang - ((nhanh bang) OR (nhanh quang)) vat dung cong ((san thai) OR (ban thai)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sang - ((nhanh bang) or (nhanh quang)) vat dung cong ((san thai) OR (ban thai)) cao".
• Adding a wildcard symbol may retrieve word variants: theo chu sang - ((nhanh bang) or (nhanh quang)) vat dung cong ((san thai) OR (ban thai)) cao*.