Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trang cua » tang cua, trung cua, thang cua
tranh cua » doanh cua, manh cua
dang cong » dung cong
trinh han » trinh quan
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - hanh ((trang cua) or (tranh cua)) dang cong tan ((tran ban) or (trinh han))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh ((trang cua) OR (tranh cua)) dang cong tan ((tran ban) OR (trinh han)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((trang cua) or (tranh cua)) dang cong tan ((tran ban) or (trinh han))*.