Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hieu cach » hieu cac, chieu sach, hieu ca
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
mang cua » manh cua, dung cua, ban cua
cua dung » cua dang, cua dong, qua dung
van tuan » van ban, anh tuan
van quan » 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: toc ((hieu cach) or (thien hach)) - hanh mang cua dung cong ((van tuan) or (van quan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu cach) OR (thien hach)) - hanh mang cua dung cong ((van tuan) OR (van quan)) ban.
• Adding a wildcard symbol may retrieve word variants: toc ((hieu cach) or (thien hach)) - hanh mang cua dung cong ((van tuan) or (van quan)) ban*.