Perhaps you should try some spelling variations:
tham nuoc » thay nuoc, thoat nuoc, nha nuoc
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thuat
cua tre » cua te, cuu tre, dua tren
te cac » tu cac, ve cac, te cao
ha hoi » hoa hoi, ha noi, xa hoi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ((ky lang) OR (ky dang)) ha hoi. hieu va tham nuoc va thanh vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ((ky lang) OR (ky dang)) ha hoi. hieu va tham nuoc va thanh vi ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ((ky lang) OR (ky dang)) ha hoi. hieu va tham nuoc va thanh vi ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te cac ((ky lang) OR (ky dang)) ha hoi. hieu va tham nuoc va thanh vi ((cua tre) or (cua triet))*.