Perhaps you should try some spelling variations:
thien chanh » thien thanh, thien chinh, hien hanh
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tien anh » tieng anh, tien manh, dien anh
tang cua » mang cua, hang cua, tang luan
cong van » cong vang, cong san, song van
quan ban » quang ban, quan van, luan ban
qua ban » cua ban, qua quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien anh) or (thien chanh)) - hanh tang cua nhung cong van ((quan ban) or (qua ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (thien chanh)) - hanh tang cua nhung cong van ((quan ban) OR (qua ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((tien anh) or (thien chanh)) - hanh tang cua nhung cong van ((quan ban) or (qua ban))*.