Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
xay hoi » xa hoi, tay hoi, cay phoi
ky danh » ky anh
ky dang » ky nang
luu tre » luu tru, cuu tre, luy tre
va luu » van luu, ta luu, vi luu

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 ((ky dang) OR (ky danh)) xay hoi. hieu ve chat xuc ((va thanh) or (may tinh)) va luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky dang) OR (ky danh)) xay hoi. hieu ve chat xuc ((va thanh) OR (may tinh)) va luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky dang) OR (ky danh)) xay hoi. hieu ve chat xuc ((va thanh) or (may tinh)) va luu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky dang) OR (ky danh)) xay hoi. hieu ve chat xuc ((va thanh) or (may tinh)) va luu tre*.