Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
va thanh » gia thanh, ban thanh, le thanh
cham doc » cham soc, chat doc, chau doc
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
te sach » toc sach
va tinh » may tinh
dat su » sat su
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (te sach)) ky nang xa hoi. hieu va cham doc ((va thanh) OR (va tinh)) dat su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (te sach)) ky nang xa hoi. hieu va cham doc ((va thanh) OR (va tinh)) dat su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (te sach)) ky nang xa hoi. hieu va cham doc ((va thanh) OR (va tinh)) dat su triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (te sach)) ky nang xa hoi. hieu va cham doc ((va thanh) OR (va tinh)) dat su triet*.