Perhaps you should try some spelling variations:
thuat sach » thuat san
thuat lanh » thuat lap, thuat san
thien van » thi van
luong tai » dung tai, luong va
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
va luong » van luong, va tuong, va huong
cuc tieu » muc tieu, cac tieu, cach tieu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
van cac » van hac, van cau, van bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat sach) OR (thuat lanh)) ty nang xa hoi. thien van cac nuoc va luong tai cuc tieu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat sach) OR (thuat lanh)) ty nang xa hoi. thien van cac nuoc va luong tai cuc tieu".
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) OR (thuat lanh)) ty nang xa hoi. thien van cac nuoc va luong tai cuc tieu*.