Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
tung tuan » trung tuan, hung tuan, quang tuan
tuan dong » tuan duong, quan dong, luan dong
dong cong » duong cong, dung cong, dang cong
cong tan » cong tac, cong san, cong thanh
toan cau » toan ban, toan tai
toan tap » toan ban
toan cao » 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 thieu tinh - thanh tung tuan dong cong tan ((((toan cau) OR (toan tap))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh tung tuan dong cong tan ((((toan cau) OR (toan tap))) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - thanh tung tuan dong cong tan ((((toan cau) OR (toan tap))) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh tung tuan dong cong tan ((((toan cau) OR (toan tap))) or (toan cao))*.