Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
cach manh » cach mang, cach nhanh, sach danh
cua thong » cua thuong, cua khong, cua tong
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
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 khang - cach manh cua thong cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - cach manh cua thong cong tan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - cach manh cua thong cong tan ((toan cau) or (toan tap))*.