Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
danh lai » danh sai, gianh lai, dinh lam
chau tre » chau tho, cho tre, cau tra
tu sach » thu sach, su sach, tu cach
te sach » toc sach
nang xa » nang x, lang xa, nang ma
cam tuc » cam xuc, cam tu, nam thuc
va danh » va dinh, va dan, va hanh
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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 (te sach)) ky nang xa hoi. lieu va cam tuc va danh lai ((chau tre) or (chay tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang xa hoi. lieu va cam tuc va danh lai ((chau tre) OR (chay tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ky nang xa hoi. lieu va cam tuc va danh lai ((chau tre) or (chay tren))".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ky nang xa hoi. lieu va cam tuc va danh lai ((chau tre) or (chay tren))*.