Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
su triet » su viet, su tien, ve triet
thuy van » thuy san, thuc van, thuy anh
chu van » cuu van, chu han
te sach » toc sach
sach ky » sac ky, sach y, sach ty
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
le nam » he nam, le na, te nam
ha hoi » hoa hoi, ha noi, xa hoi
vai su » va su, van su, lai su

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 lang ha hoi. hieu ((le nam) or (ly nam)) ((thuy van) or (chu van)) thanh vai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang ha hoi. hieu ((le nam) OR (ly nam)) ((thuy van) OR (chu van)) thanh vai su triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang ha hoi. hieu ((le nam) or (ly nam)) ((thuy van) or (chu van)) thanh vai su triet*.