Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
trung cap » truong cao, trung tam
dung cong » dung trong
hoc dieu » hoc thieu, hoc hien
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
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: ((hoc dieu) or (ho chieu)) xanh - hanh ((trung tuan) or (trung cap)) dung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (ho chieu)) xanh - hanh ((trung tuan) OR (trung cap)) dung cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (ho chieu)) xanh - hanh ((trung tuan) or (trung cap)) dung cong dan van ban*.