Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
hanh lai » hanh lam, hanh tai, thanh lap
chau tre » chay tren, chau tho, cho tre
tu sach » su sach, te sach, tu cach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (tu sach)) ty nang xa hoi. hieu ve cam ((xuc van) OR (duc van)) hanh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ty nang xa hoi. hieu ve cam ((xuc van) OR (duc van)) hanh lai chau tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (tu sach)) ty nang xa hoi. hieu ve cam ((xuc van) OR (duc van)) hanh lai chau tre*".