Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
vien cua » viec cua, dien cua, bien cua
tien cua » trien cua, tiep cua, dien cua
thu sac » thu sach, thu san, thu xac
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cao suc » cao su, cao duc
va nhan » van nhan, ca nhan, va phan
ve cao » va cao, ve bao, ve cac
suc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sac) or (thuat sach)) ky nang xa hoi. hieu ve cao suc va nhan ((vien cua) OR (tien cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sac) OR (thuat sach)) ky nang xa hoi. hieu ve cao suc va nhan ((vien cua) OR (tien cua)) te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sac) or (thuat sach)) ky nang xa hoi. hieu ve cao suc va nhan ((vien cua) OR (tien cua)) te*".