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
cong tac » cong ty
tac thai » toc thai, rac thai, sac thai
thai cao » tai cao, thoai cac, thuat cao

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 tac 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 tac thai cao".
• Adding a wildcard symbol may retrieve word variants: theo chu sang - ((nhanh bang) OR (nhanh quang)) vat dung cong tac thai cao*.