Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
dan than » dan chan, ban than, van than
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chi)) sach - anh nang cua nhung cong ((xuan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) sach - anh nang cua nhung cong ((xuan toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) sach - anh nang cua nhung cong ((xuan toan) or (dan than)) cau*.