Perhaps you should try some spelling variations:
thanh trung » thanh tung
can trinh » can tranh, dan trinh, van trinh
trung vap » trung cap, trung va, trung van
dung cong » dung trong
tan thanh » tran thanh, tang thanh, toan thanh
thanh lap » thanh san, phan lap, thanh hai
khoi can » khoa can, khoi nang, hoc can
vap dung » van dung, ap dung, va 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: khoi can trinh - thanh trung vap dung cong tan thanh lap~.
• Adding a wildcard symbol may retrieve word variants: khoi can trinh - thanh trung vap dung cong tan thanh lap*.