Perhaps you should try some spelling variations:
trong trong » trong truong, truong trong, thong trong
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
tong trong » thong trong, cong trong, dong trong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

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