Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
thieu tinh » trieu tinh, chieu tinh, thien tinh
ngang toan » nganh toan, dang toan, quang toan
hoc thieu » toc thieu, hoc hien
thanh son » thanh san, thanh cong, thanh toan
dang cong » dung cong
hanh ban » thanh ban, hang ban, hanh san
cua dang » cua cong, cua ban
toan cau » toan cao, toan ban, toan tap

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 - ((hanh ban) or (thanh son)) cua dang cong ngang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - ((hanh ban) OR (thanh son)) cua dang cong ngang toan cau*.