Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
nhan dang » nhan dan, phan dang, tran dang
dang cua » dung cua, dong cua, mang cua
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 - nhan dang cua ((nhung cong) or (trong cong)) manh ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - nhan dang cua ((nhung cong) OR (trong cong)) manh ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - nhan dang cua ((nhung cong) or (trong cong)) manh ((toan cau) or (toan tap))*.