Perhaps you should try some spelling variations:
tranh hai » tranh thai, thanh hai, tranh cai
cua viet » ca viet, hoa viet, cua vat
tran hai » tran bai, tran chau, tran nhat
soc canh » suc canh, soc chinh, luoc canh
ve cham » va cham, ve chat, vu cham
su sach » so sach
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
vu sach » vu bach, vu khach
hieu ve » hieu va, hieu van

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) or (vu sach)) ty nang xa hoi. hieu ve cham soc canh ((tranh hai) OR (tran hai)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ty nang xa hoi. hieu ve cham soc canh ((tranh hai) OR (tran hai)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu sach)) ty nang xa hoi. hieu ve cham soc canh ((tranh hai) OR (tran hai)) cua viet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ty nang xa hoi. hieu ve cham soc canh ((tranh hai) OR (tran hai)) cua viet*.