Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
danh du » danh dau, danh tu, dinh du
su viet » so viet
ve cam » ve cham, ve cac, va cam
xuc va » tuc va, luc va, xac va
du su » dau su, da su, de 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 nang xa hoi. hieu ((ve cam) or (va cham)) ((xuc va) OR (duc va)) danh du su viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((ve cam) OR (va cham)) ((xuc va) OR (duc va)) danh du su viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ((ve cam) or (va cham)) ((xuc va) OR (duc va)) danh du su viet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((ve cam) or (va cham)) ((xuc va) OR (duc va)) danh du su viet*.