Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong tuong » thong thuong, thong thong, thong duong
theo chieu » theo tieu, ho chieu, theo chu
thi chieu » thi chien, thi hieu, thi hien
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
tuong dan » huong dan, tung dan, xuong dan
theo yeu » theo tieu, thiet yeu, theo chu
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo yeu) or (((theo chieu) or (thi chieu)))) xanh - thanh trung cua thong tuong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo yeu) OR (((theo chieu) OR (thi chieu)))) xanh - thanh trung cua thong tuong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ((theo yeu) or (((theo chieu) or (thi chieu)))) xanh - thanh trung cua thong tuong dan van ban*.