Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thien hach » thien thanh, hien hanh
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
hieu cach » hieu cac, chieu sach, hieu ca
cua nhung » va nhung
toan ban » van 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 ((hieu cach) or (thien hach)) - ((minh hoang) or (canh tranh)) cua nhung cong ngang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu cach) OR (thien hach)) - ((minh hoang) OR (canh tranh)) cua nhung cong ngang toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu cach) or (thien hach)) - ((minh hoang) or (canh tranh)) cua nhung cong ngang toan ban*.