Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
nong cong » cong cong, dong cong, mong cong
nang cong » nang song, dang cong, bang cong
tong cong » trong cong, cong cong, dung cong
cong cua » cong cu, dong cua, huong cua
tuan ban » tuan bang, toan ban, luan 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 tinh - thanh cong cua ((((nong cong) or (nang cong))) or (tong cong)) anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh cong cua ((((nong cong) OR (nang cong))) OR (tong cong)) anh tuan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh cong cua ((((nong cong) or (nang cong))) or (tong cong)) anh tuan ban*.