Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
hai cua » thai cua, dai cua, hoi cua
lai cua » dai cua, lai chau, thai cua
van anh » van thanh, tuan anh, van minh
duc van » duc va, duc tan, duc manh
tu sach » thu sach, te sach, tu cach
hieu ve » hieu va, hieu van
tu nang » tru nang, tu nong, tu nano
su sach » so sach, vu sach
ve cham » va cham, ve chat, vu cham
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: ((tu sach) or (su sach)) tu nang x hoi. hieu ve cham duc van anh ((lai cua) OR (hai cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) tu nang x hoi. hieu ve cham duc van anh ((lai cua) OR (hai cua)) viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (su sach)) tu nang x hoi. hieu ve cham duc van anh ((lai cua) OR (hai cua)) viet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) tu nang x hoi. hieu ve cham duc van anh ((lai cua) OR (hai cua)) viet*.