Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
trong phat » trong thuat, trong nha, trong hoat
cong luong » cong thuong, nang luong, cong dong
hoc thieu » toc thieu, hoc hien
trong thu » trong nha
nang cong » nang song, dang cong, bang cong
luong vat » luong va, luong van, luong tai
vat ban » van ban, va ban, vat ran

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 ((trong phat) or (trong thu)) nang cong luong vat ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - manh ((trong phat) OR (trong thu)) nang cong luong vat ban*.