Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hanh trinh » canh tranh, hanh chinh
nang cong » nang song, dang cong, bang cong
van thanh » ban thanh, van tuan
ho chieu » hoc thieu, doi chieu, mot chieu
trinh va » trinh van, trinh vat, trinh ve
va nang » van nang, da nang, cam nang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - hanh trinh va nang cong ((tinh toan) OR (van thanh)) tap~.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - hanh trinh va nang cong ((tinh toan) or (van thanh)) tap*.