Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
hieu van » hieu va, thien van, lieu va
thanh vi » hanh vi, thanh ve, nhanh vi
thu sac » thu sach, thu san, thu xac
nang ma » tang ma, sang ma, nang cao
cau dat » cai dat, chap dat, cau danh
cau hat » cao chat, cuu phat
sac ky » cac ky, sai ky
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: thu sac ky nang ma hoi. hieu van ((cau dat) or (cau hat)) va ((thanh vi) OR (thanh va)) cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang ma hoi. hieu van ((cau dat) OR (cau hat)) va ((thanh vi) OR (thanh va)) cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sac ky nang ma hoi. hieu van ((cau dat) or (cau hat)) va ((thanh vi) OR (thanh va)) cua vat".
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang ma hoi. hieu van ((cau dat) or (cau hat)) va ((thanh vi) OR (thanh va)) cua vat*.