Perhaps you should try some spelling variations:
van chat » cao chat
hanh dao » lanh dao, thanh dat, thanh dam
dao cua » dai cua, day cua, dan cua
va hanh » van hanh, va thanh, va danh
truc va » thuc va, thuc vat, trung va
van cau » van dau, van hau, toan cau
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky

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. hieu ((van cau) or (van chat)) truc va hanh dao cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang xa hoi. hieu ((van cau) OR (van chat)) truc va hanh dao cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) nang xa hoi. hieu ((van cau) or (van chat)) truc va hanh dao cua tre*.