Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
cong thuat » trong thuat, vuong thuat, cong thuc
thuat bang » thuat ban, thuat mang, thuat nang
hoc thieu » toc thieu, hoc hien
bang cong » dang cong, bang song, hang cong
cong ban » cong bang, cong san, cong tan
hanh cap » hanh cac, hanh cat, hanh cad
than cap » khan cap, thanh lap, thanh cac

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 thuat bang cong ban ((hanh cap) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh cong thuat bang cong ban ((hanh cap) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh cong thuat bang cong ban ((hanh cap) or (than cap))*.