Perhaps you should try some spelling variations:
van tham » van thanh, van tuan, van chat
dinh cuu » dinh chi
nang ma » tang ma, sang ma, nang cao
va tham » va cham, va thanh, va thuat
va hanh » van hanh, va thanh, va danh
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
soc va » hoc va, loc va, doc va
vi cuu » vi luu, vinh cuu

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 ma hoi. hieu ((va tham) or (van tham)) soc va hanh ((vi cuu) or (dinh cuu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang ma hoi. hieu ((va tham) OR (van tham)) soc va hanh ((vi cuu) OR (dinh cuu)) tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ma hoi. hieu ((va tham) or (van tham)) soc va hanh ((vi cuu) or (dinh cuu)) tre*.