Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
thien van » thi van
nang tai » hang tai, tang tai, sang tai
va triet » va thiet, va trien, ve triet
tai hoi » tai khoi, dai hoi, tai hai
cua tre » cua te, cuu tre, cua triet
san ky » sang ky, van ky, dan ky
tuc va » thuc va, truc va, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat san ky nang tai hoi. thien van nam ((tuc va) OR (tuc xa)) hanh vi ((cua tre) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ky nang tai hoi. thien van nam ((tuc va) OR (tuc xa)) hanh vi ((cua tre) OR (va triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san ky nang tai hoi. thien van nam ((tuc va) OR (tuc xa)) hanh vi ((cua tre) or (va triet))*".