Perhaps you should try some spelling variations:
thuc hien » hoc hien
hien danh » thien danh, hien hanh, hien nhanh
trang cua » tranh cua, trung cua, thang cua
dung cong » dung trong
thuat dam » thuat cam, thuat do, thuat bai
tang cua » mang cua, hang cua, tang luan
cong va » dong va, cong ha, cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuc hien danh - hanh ((trang cua) OR (tang cua)) dung cong va ((thuat dam) or (thuat xay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuc hien danh - hanh ((trang cua) OR (tang cua)) dung cong va ((thuat dam) OR (thuat xay)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuc hien danh - hanh ((trang cua) OR (tang cua)) dung cong va ((thuat dam) or (thuat xay))".
• Adding a wildcard symbol may retrieve word variants: thuc hien danh - hanh ((trang cua) OR (tang cua)) dung cong va ((thuat dam) or (thuat xay))*.