Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
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: hoc thieu tinh - thanh trung cua nhung ((cong ban) or (cong san)) ((toan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh trung cua nhung ((cong ban) OR (cong san)) ((toan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh trung cua nhung ((cong ban) or (cong san)) ((toan cau) or (phan cau))*.