Perhaps you should try some spelling variations:
sach han » sach tham, sach danh, sach nang
ban hanh » ban hang
van anh » van thanh, tuan anh, van minh
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
su tien » su kien, su hien, tu tieng
vi su » va su, ve su, ki su

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 han ((nang xa) or (nang ma)) hoi. hieu va cac xuc ((van anh) or (ban hanh)) vi su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach han ((nang xa) OR (nang ma)) hoi. hieu va cac xuc ((van anh) OR (ban hanh)) vi su tien.
• Adding a wildcard symbol may retrieve word variants: tu sach han ((nang xa) or (nang ma)) hoi. hieu va cac xuc ((van anh) or (ban hanh)) vi su tien*.