Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
toc chieu » toc thieu, hoc thieu, doi chieu
tranh cac » trinh cac, tranh cai, tranh chap
thanh cac » hanh cac, thanh bac, thanh ca
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc chieu) or (doc hieu)) tinh - hanh ((tranh cac) OR (thanh cac)) truong cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc chieu) OR (doc hieu)) tinh - hanh ((tranh cac) OR (thanh cac)) truong cong tan phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc chieu) or (doc hieu)) tinh - hanh ((tranh cac) OR (thanh cac)) truong cong tan phan cau*".