Perhaps you should try some spelling variations:
thuat tach » thuat sach, thuat mach, thuat tac
thanh tung » thanh cong
soc thuat » hoc thuat, cac thuat, soc thiet
dung cong » dung trong
tan thanh » tran thanh, tang thanh, toan thanh
thanh lap » thanh san, phan lap, thanh hai
tung tan » tung dan, cung tan, hung tan
tan dung » tran dung, tin dung, van dung
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: soc thuat tach - thanh tung tan dung cong tan thanh lap~.
• Adding a wildcard symbol may retrieve word variants: soc thuat tach - thanh tung tan dung cong tan thanh lap*.