Perhaps you should try some spelling variations:
luat tuc » luat thue
sach ty » sach y, sach tu, sach thu
hai chu » hai chau, hoi chu, hai chi
hai cau » hai chau, hai hau, hoi cau
va danh » va dinh, va dan, va hanh
so sach » so sanh, bo sach, co sach
lam tuc » lam thuoc, lam truoc, nam thuc
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang ma hoi. hieu va ((lam tuc) or (luat tuc)) va danh ((hai cau) OR (hai chu)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang ma hoi. hieu va ((lam tuc) OR (luat tuc)) va danh ((hai cau) OR (hai chu)) treo*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty nang ma hoi. hieu va ((lam tuc) or (luat tuc)) va danh ((hai cau) OR (hai chu)) treo*".