Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
truong van » trong van, truong va, truong dai
hoc thieu » toc thieu, hoc hien
trung van » trong van, trung va, trung tuan
dung cong » dung trong
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
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: hoc thieu tach - thanh ((trung van) or (truong van)) dung cong dang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - thanh ((trung van) OR (truong van)) dung cong dang toan ban*.