Perhaps you should try some spelling variations:
hang cong » dang cong, hang nong, bang cong
ban thanh » ban hanh, ban hang
thanh tay » thanh tai, thanh toan, thanh thuy
ho chieu » theo chieu, hoc thieu, doi chieu
theo chu » theo chieu, cho chu, chao chu
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chu)) tinh - thanh ((trung va) OR (trung ha)) hang cong ban thanh tay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chu)) tinh - thanh ((trung va) OR (trung ha)) hang cong ban thanh tay.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chu)) tinh - thanh ((trung va) OR (trung ha)) hang cong ban thanh tay".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chu)) tinh - thanh ((trung va) OR (trung ha)) hang cong ban thanh tay*.