Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
doanh van » doan van, doanh va, doanh ban
va doanh » van doanh, vay doanh, va danh
thi cong » tai cong, thien cong
sach thi » sach thu, sach tai, sach thieu
cua tre » cuu tre, cua triet, dua tren
van cau » van dau, van hau, van chat
van cam » van nam, van lam, van dam
cong xa » cong xay, cong xua, cong ha
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach thi cong xa hoi. thien ((van cam) OR (van cau)) xuc va doanh van ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach thi cong xa hoi. thien ((van cam) OR (van cau)) xuc va doanh van ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach thi cong xa hoi. thien ((van cam) OR (van cau)) xuc va doanh van ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: thuat sach thi cong xa hoi. thien ((van cam) OR (van cau)) xuc va doanh van ((cua tre) or (cua te))*.