Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than ban » thanh ban, toan ban, than man

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - hanh ((trang cua) OR (trung cua)) nhung cong tac than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - hanh ((trang cua) OR (trung cua)) nhung cong tac than ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((trang cua) OR (trung cua)) nhung cong tac than ban*.