Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh toan » thanh hoa, thanh san, tinh toan
trung cua » truong cua, trung tuan, trung cap
bong dung » cong dung, hong dung, thong dung
ong dung » cong dung, hong dung, ung dung
toan cao » toan ban, toan tap

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 xanh) or (chieu sang)) - thanh trung cua ((ong dung) OR (bong dung)) thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - thanh trung cua ((ong dung) OR (bong dung)) thanh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sang)) - thanh trung cua ((ong dung) OR (bong dung)) thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sang)) - thanh trung cua ((ong dung) OR (bong dung)) thanh toan cao*.