Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
tong cong » cong cong, dung cong, dang cong
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 tinh - hanh ((trung cua) OR (trung cap)) ((tong cong) or (trong cong)) van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh ((trung cua) OR (trung cap)) ((tong cong) OR (trong cong)) van tuan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - hanh ((trung cua) OR (trung cap)) ((tong cong) or (trong cong)) van tuan ban*".