Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hoang van » hang va
doc hieu » toc thieu, hoc thieu, hoc hien
mang cua » manh cua, dung cua, cong cua
tuan cau » toan cau, quan cau, thuan cam
ban cua » ban quan
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu nganh - canh ((mang cua) or (ban cua)) phuong hoang van ((tuan cau) OR (tuan cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - canh ((mang cua) OR (ban cua)) phuong hoang van ((tuan cau) OR (tuan cu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu nganh - canh ((mang cua) or (ban cua)) phuong hoang van ((tuan cau) OR (tuan cu))".
• Adding a wildcard symbol may retrieve word variants: doc hieu nganh - canh ((mang cua) or (ban cua)) phuong hoang van ((tuan cau) OR (tuan cu))*.