Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
pham thuc » phap thuc, pham chuc, nham thuc
thuc gia » thuc giai, thue gia, thuc dia
su sach » so sach
vu sach » vu bach, vu khach
va pham » van pham, va phat, va phap
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu sach)) ky nang x hoi. lieu va pham thuc gia thanh van ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky nang x hoi. lieu va pham thuc gia thanh van ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky nang x hoi. lieu va pham thuc gia thanh van ((cua tre) or (cuu tre))*.