Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
toc sach » hoc sach, doc sach, thuoc sach
nang xay » dang xay, nganh xay, nang xuan
van chat » cao chat
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, tay hoi, cay phoi
ve chat » va chat
van luu » von luu, van lu, van luc
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky nang xay hoi. hieu ((ve chat) or (van chat)) tuc va thanh van luu (tru OR truc)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky nang xay hoi. hieu ((ve chat) OR (van chat)) tuc va thanh van luu (tru OR truc).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky nang xay hoi. hieu ((ve chat) or (van chat)) tuc va thanh van luu (tru OR truc)".
• Adding a wildcard symbol may retrieve word variants: toc sach ky nang xay hoi. hieu ((ve chat) or (van chat)) tuc va thanh van luu (tru OR truc)*.