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
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
cam tu » cam thu, nam tu, dam tu

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