Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, kieu tinh
thong cong » trong cong, tong cong, thong thong
chau tinh » cuu tinh, ha tinh, cua tinh
trang cua » tranh cua, trung cua, thang cua
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
san van » tan van, luan van, tran van

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 tinh) OR (chau tinh)) - hanh ((trang cua) or (tang cua)) thong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chau tinh)) - hanh ((trang cua) OR (tang cua)) thong cong san van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) OR (chau tinh)) - hanh ((trang cua) or (tang cua)) thong cong san van ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) OR (chau tinh)) - hanh ((trang cua) or (tang cua)) thong cong san van ban*.