Perhaps you should try some spelling variations:
trong quang » truong quang, thong quang, trong quan
trang quang » tran quang, tang quang, tranh quang
theo chieu » theo tieu, theo chu, thi chieu
thanh toan » thanh hoa, thanh san, tinh toan
ung thanh » dung thanh, hung thanh, tung thanh
ho chieu » hoc thieu, doi chieu, mot chieu
dung ung » dung cong
toan tap » toan ban

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 chieu)) tinh - hanh ((trang quang) OR (trong quang)) dung ung thanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - hanh ((trang quang) OR (trong quang)) dung ung thanh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) tinh - hanh ((trang quang) OR (trong quang)) dung ung thanh toan tap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) tinh - hanh ((trang quang) OR (trong quang)) dung ung thanh toan tap*.