Perhaps you should try some spelling variations:
hai chau » lai chau, ha chau, hat chau
vuc van » duc van, luc van, thuc van
hai hau » dai hau, hai hai, lai chau
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
xuc van » duc van, luc van, xuc ban
hieu va » lieu va, hieu qua
ly nang » ky nang, ly hang, ly vang
va cam » va cham, va cac, va cao
x hoi » xa hoi, o hoi, x ho

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 ly nang x hoi. hieu va cam ((xuc van) OR (vuc van)) nhanh ((hai hau) or (hai chau)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang x hoi. hieu va cam ((xuc van) OR (vuc van)) nhanh ((hai hau) OR (hai chau)) treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang x hoi. hieu va cam ((xuc van) OR (vuc van)) nhanh ((hai hau) or (hai chau)) treo".
• Adding a wildcard symbol may retrieve word variants: su sach ly nang x hoi. hieu va cam ((xuc van) OR (vuc van)) nhanh ((hai hau) or (hai chau)) treo*.