Perhaps you should try some spelling variations:
thuat sach » thuat san
thuat lanh » thuat lap, thuat san
thien van » thi van
duong tai » dung tai, luong tai, dong tai
bac nuoc » cac nuoc, bach tuoc, sach nuoc
va duong » van duong, 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 bac » van ban, van bao, van hac

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 bac nuoc va duong 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 bac nuoc va duong tai cuc tieu".
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) OR (thuat lanh)) ty nang xa hoi. thien van bac nuoc va duong tai cuc tieu*.