Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo hieu » theo chieu, theo tieu, thien hieu
cua nhung » va nhung
hieu van » hieu va, thien van, lieu va
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
cong dan » cong san, cong tan, huong dan
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: theo hieu van - anh nang cua nhung cong dan ((toan cau) or (((toan tap) or (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu van - anh nang cua nhung cong dan ((toan cau) OR (((toan tap) OR (van ban)))).
• Adding a wildcard symbol may retrieve word variants: theo hieu van - anh nang cua nhung cong dan ((toan cau) or (((toan tap) or (van ban))))*.