Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
manh tuong » manh tung, manh cuong, minh tuong
bang thanh » dang thanh, tang thanh, nang thanh
hoc thieu » toc thieu, hoc hien
tuong dai » truong dai, tuong lai, duong dai
lang cong » dang cong, bang cong, hang cong
ban thanh » ban hanh, ban hang
dai lang » tai lang, dai dang, dai nang

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 - manh tuong dai lang cong ((bang thanh) or (ban thanh)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - manh tuong dai lang cong ((bang thanh) OR (ban thanh)) lap*.