Perhaps you should try some spelling variations:
thanh hoi » thanh hoai, thanh hoa, thanh loi
thanh hai » thanh phan, thanh hoa, thanh san
va triet » va thiet, va trien, ve triet
thuc va » thuc vat, thuc dan, thuc day
hieu ve » hieu va, hieu van
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
tuc va » truc va, tuc xa, duc va
ve cac » va cac, vien cac
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: te sac ky nang x hoi. hieu ve cac ((tuc va) or (thuc va)) ((thanh hoi) or (thanh hai)) va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang x hoi. hieu ve cac ((tuc va) OR (thuc va)) ((thanh hoi) OR (thanh hai)) va triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang x hoi. hieu ve cac ((tuc va) or (thuc va)) ((thanh hoi) or (thanh hai)) va triet*.