Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
su sach » so sach, vu sach
kinh vi » dinh vi, kinh ve, kenh vi
hieu ve » hieu va, hieu van
luu tre » luu tru, cuu tre, luy tre
nang xa » nang x, lang xa, nang ma
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
vi luu » vi lua
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: ((su sach) or (thuat san)) ky nang xa hoi. hieu ve cam ((xuc va) OR (tuc va)) kinh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thuat san)) ky nang xa hoi. hieu ve cam ((xuc va) OR (tuc va)) kinh vi luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (thuat san)) ky nang xa hoi. hieu ve cam ((xuc va) OR (tuc va)) kinh vi luu tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thuat san)) ky nang xa hoi. hieu ve cam ((xuc va) OR (tuc va)) kinh vi luu tre*.