Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
nhanh lang » nhanh quang, nhanh thang, nhan dang
tranh chap » tranh cua, trinh chat
hoc thieu » toc thieu, hoc hien
ban cong » bang cong, van cong, phan cong
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - ((thanh trung) or (nhanh lang)) cua ban cong tan ((tran cau) or (tranh chap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((thanh trung) OR (nhanh lang)) cua ban cong tan ((tran cau) OR (tranh chap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thanh trung) or (nhanh lang)) cua ban cong tan ((tran cau) or (tranh chap))*.