Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
thang cua » thong cua, hang cua, than cua
tran chau » tranh chap, tran huu
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
san tran » tan tran, ban tran, dang tran

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) OR (hoc hien)) sach - hanh ((thang cua) or (tang cua)) nhung cong san tran chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) sach - hanh ((thang cua) OR (tang cua)) nhung cong san tran chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (hoc hien)) sach - hanh ((thang cua) or (tang cua)) nhung cong san tran chau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (hoc hien)) sach - hanh ((thang cua) or (tang cua)) nhung cong san tran chau*.