Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien nang » thien bang, thien dang, trien nang
trung phat » truong phat, trong phat, trung phan
thien anh » thien danh, tien anh, thien thanh
phat dang » phan dang, pham dang, phap nang
dang cong » dung cong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
toan ban » van 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 ((thien anh) or (thien nang)) - thanh trung phat dang cong tan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien nang)) - thanh trung phat dang cong tan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (thien nang)) - thanh trung phat dang cong tan ((toan cau) or (toan ban))*.