Perhaps you should try some spelling variations:
tan phuong » tran phuong, tai phuong, van phuong
phuong cau » huong cau, phuong cham, phuong cach
hang cong » dang cong, hang nong, bang cong
hoc dieu » hoc thieu, hoc hien
tung dap » trung dai, tuong dan, tuong dao
tung dan » dung dan, huong dan, trung dai
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu hanh - thanh ((tung dap) or (tung dan)) hang cong tan phuong cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu hanh - thanh ((tung dap) OR (tung dan)) hang cong tan phuong cau.
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - thanh ((tung dap) or (tung dan)) hang cong tan phuong cau*.