Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cap nuoc » dat nuoc
nuoc van » nuoc va, nuoc san, luoc van
van hanh » van thanh, ban hanh, van anh
hanh lam » thanh lap, hanh kem, hanh va
chau tre » chay tren, chau tho, cho tre
hieu ve » hieu va, hieu van
ca tren » cau tren, cu tren, la tren
y nang » ky nang, ly nang, v nang
ve cap » ve cac, le cap, ve cai
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: thu sach y nang x hoi. hieu ve cap nuoc van hanh lam ((chau tre) or (ca tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang x hoi. hieu ve cap nuoc van hanh lam ((chau tre) OR (ca tren)).
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. hieu ve cap nuoc van hanh lam ((chau tre) or (ca tren))*.