Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
hanh tai » thanh tai, hang tai, han tai
sach ty » sach y, sach tu, sach thu
tai cau » tai cac, tai cao
va hanh » van hanh, va thanh, va danh
va chat » van chat, va phat, cao chat
te sach » toc sach
ty nang » ky nang, ty xang, ty hang
va cham » va tham
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. hieu ((ve cam) or (((va cham) OR (va chat)))) tuc va hanh tai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang x hoi. hieu ((ve cam) OR (((va cham) OR (va chat)))) tuc va hanh tai cau tren*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang x hoi. hieu ((ve cam) or (((va cham) OR (va chat)))) tuc va hanh tai cau tren*".