Perhaps you should try some spelling variations:
trong thuat » trong hoat, trong phat, trong thuc
chieu tinh » trieu tinh, lieu tinh, chau tinh
cong luong » cong thuong, nang luong, cong dong
hoc chieu » hoc thieu, ho chieu, 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 chieu tinh - manh ((trong thuat) or (trong thu)) nang cong luong vat ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - manh ((trong thuat) OR (trong thu)) nang cong luong vat ban*.