Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
cuong danh » cuon danh, huong dan, cuong linh
hoc thieu » toc thieu, hoc hien
cuong dan » huong dan, cong dan, tuong dan
cong tac » cong ty
tac tang » tac vang, tuc tang, tay tang
phan cau » phan dau, phan cac, 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 tinh - thanh cong tac tang ((cuong dan) or (cuong danh)) ((phan cau) OR (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh cong tac tang ((cuong dan) OR (cuong danh)) ((phan cau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - thanh cong tac tang ((cuong dan) or (cuong danh)) ((phan cau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh cong tac tang ((cuong dan) or (cuong danh)) ((phan cau) OR (phan tu))*.