Perhaps you should try some spelling variations:
thong tuong » thong thuong, thong thong, thong duong
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung dai » truong dai, truong dao, trung tam
dai thong » dai tuong, dai hong, dai thang
tuong dan » huong dan, tung dan, xuong dan
ho chieu » theo chieu, hoc thieu, doi chieu
toan ban » van 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 xanh - thanh trung dai thong tuong dan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung dai thong tuong dan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung dai thong tuong dan ((toan tap) or (toan ban))*.