Perhaps you should try some spelling variations:
tdanh trung » thanh trung, thanh tung, dang trung
danh trung » dang trung, dinh trung, manh trung
hien xanh » hien hanh, hien nhanh, chieu xanh
dung cong » dung trong
cap dung » ap dung, cao dung, chan dung
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - ((danh trung) or (tdanh trung)) cap dung cong dan ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((danh trung) OR (tdanh trung)) cap dung cong dan ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - ((danh trung) or (tdanh trung)) cap dung cong dan ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((danh trung) or (tdanh trung)) cap dung cong dan ((toan cau) OR (toan tap))*.