Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
tranh quan » tranh quang, trinh quan, tranh luan
hoc thieu » toc thieu, hoc hien
quan hang » quan hoang, quan lang, quan hanh
hang cong » dang cong, hang nong, bang cong
cong toan » cong tan, cong hoan, cong tuan
ban cau » bang cau, ban can, van cau
ca cau » cua cau, cac cau, can cau

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 - canh tranh quan hang cong toan ((ca cau) or (ban cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh tranh quan hang cong toan ((ca cau) OR (ban cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh tranh quan hang cong toan ((ca cau) or (ban cau))*.