Perhaps you should try some spelling variations:
thien van » thi van
tinh khai » trinh khai, tinh thai, tinh hai
thu sach » thuat sach, thuoc sach, thu hoach
lam duoc » nam duoc, luat duoc, lam thuoc
khai cac » khai thac, thoai cac, tai cac
cac tren » ca tren, cau tren, rac tren
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
van lam » van nam
duoc va » nuoc va, duc va, duoc ma
va tinh » may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thu sach)) ky nang xa hoi. thien van lam duoc va tinh khai cac tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang xa hoi. thien van lam duoc va tinh khai cac tren.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang xa hoi. thien van lam duoc va tinh khai cac tren*.