Perhaps you should try some spelling variations:
thien van » thi van
van tuan » van quan, van ban, anh tuan
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cac tac » cac bac, cac dac, cac tai
cac toc » cac toi, cac nuoc, cac thoi
tuan di » tuan do, truan doi, quan doi
di cua » dai cua, doi cua, de cua
cua te » cua tu

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 ((cac tac) or (cac toc)) van tuan di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. thien van ((cac tac) OR (cac toc)) van tuan di cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. thien van ((cac tac) or (cac toc)) van tuan di cua te*.