Perhaps you should try some spelling variations:
thanh trung » thanh tung
luong cong » dung cong, trong cong, cong cong
hoc thieu » toc thieu
trung hua » trung ha, trung hoa, trung cua
hua luong » huy luong, luan luong, hung luong
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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) or (hoc hien)) tinh - thanh trung hua luong cong tan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) tinh - thanh trung hua luong cong tan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) tinh - thanh trung hua luong cong tan ((phan cau) or (phan cac))*.