Perhaps you should try some spelling variations:
van tham » van thanh, van tuan, van chat
thai van » thi van, thanh van, thai vung
van cham » van chat, va cham, van pham
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
te sach » toc sach
tuc va » thuc va, truc va, tuc xa
va han » va phan, van han, va hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. thien ((van cham) or (van tham)) tuc va han ((thai va) OR (thai van)) thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. thien ((van cham) OR (van tham)) tuc va han ((thai va) OR (thai van)) thiet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. thien ((van cham) or (van tham)) tuc va han ((thai va) OR (thai van)) thiet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. thien ((van cham) or (van tham)) tuc va han ((thai va) OR (thai van)) thiet*.