Perhaps you should try some spelling variations:
thuat sac » thuat sach, thuat san, thuat tac
hai cua » thai cua, dai cua, hoi cua
vai cua » dai cua, lai cua, bai cua
va tinh » may tinh
vu cham » va cham, vu kham, tu cham
may hoa » may khoa, ma hoa, day hoa
ky mang » ky nang, ke mang, ky dang
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac

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 mang may hoa. hieu ((ve cac) or (vu cham)) xuc va tinh ((vai cua) OR (hai cua)) cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sac ky mang may hoa. hieu ((ve cac) OR (vu cham)) xuc va tinh ((vai cua) OR (hai cua)) cu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sac ky mang may hoa. hieu ((ve cac) or (vu cham)) xuc va tinh ((vai cua) OR (hai cua)) cu*".