Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
truong cao » truong dai
hoc thieu » toc thieu, hoc hien
trung hoc » trung quoc
dang cong » dung cong
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 hoc) or (truong cao)) ((thanh cong) or (dang cong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh ((trung hoc) OR (truong cao)) ((thanh cong) OR (dang cong)) dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh ((trung hoc) or (truong cao)) ((thanh cong) or (dang cong)) dan than cap*.