Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, cac cuoc
va lanh » va lang, va danh, va hanh
dao cua » dai cua, day cua, dan cua
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: thu ((sach ky) or (sac ky)) nang xa hoi. hieu va ((cac xuc) OR (chat xuc)) va lanh dao cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sac ky)) nang xa hoi. hieu va ((cac xuc) OR (chat xuc)) va lanh dao cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) or (sac ky)) nang xa hoi. hieu va ((cac xuc) OR (chat xuc)) va lanh dao cua tre*".