Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
chay tren » thai tren, ca tren, cau tren
dat quoc » dat nuoc, dat duoc, dan quoc
quoc ban » quoc bao, quoc lan, quoc quan
ban hanh » ban hang
hanh lai » hanh lam, hanh tai, thanh lap
chau tre » chau tho, cho tre, cau tra
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
ve dat » de dat, va dat, ve dao

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 y nang xa hoi. hieu ve dat quoc ban hanh lai ((chau tre) or (chay tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang xa hoi. hieu ve dat quoc ban hanh lai ((chau tre) OR (chay tren)).
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang xa hoi. hieu ve dat quoc ban hanh lai ((chau tre) or (chay tren))*.