Perhaps you should try some spelling variations:
thuat sac » thuat sach, thuat san, thuat tac
duoc may » duoc ly, hoc may, duoc lam
cau tren » cu tren, dau tren, cau treo
nang xa » nang x, lang xa, nang ma
duoc ma » duoc lam
tinh da » tinh va, tinh gia, tinh lao
ca tren » cu tren, la tren, co tren
va nam » van nam, ha nam, va nay
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sac ky nang xa hoi. lieu va nam ((duoc may) or (duoc ma)) tinh da ((ca tren) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sac ky nang xa hoi. lieu va nam ((duoc may) OR (duoc ma)) tinh da ((ca tren) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sac ky nang xa hoi. lieu va nam ((duoc may) or (duoc ma)) tinh da ((ca tren) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: thuat sac ky nang xa hoi. lieu va nam ((duoc may) or (duoc ma)) tinh da ((ca tren) OR (cau tren))*.