Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hanh hai » thanh hai, nhanh hai, hang hai
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
cac lo » cac lop, cac co, cac ho
cac bo » bac bo, cac co
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu hien ((cac lo) OR (cac bo)) va hanh hai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu hien ((cac lo) OR (cac bo)) va hanh hai cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu hien ((cac lo) OR (cac bo)) va hanh hai cua te*.