Perhaps you should try some spelling variations:
khuong tinh » chuong trinh, phuong trinh, phuong binh
huong tinh » thuong tinh, duong tinh, hung tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
canh hanh » xanh hanh, canh tranh, danh thanh
yeu tinh » yeu tin, kieu tinh, cuu tinh
vi nhung » voi nhung, vai nhung, va nhung
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thiet ((yeu tinh) or (lieu tinh)) - canh hanh vi nhung ((huong tinh) OR (khuong tinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thiet ((yeu tinh) OR (lieu tinh)) - canh hanh vi nhung ((huong tinh) OR (khuong tinh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thiet ((yeu tinh) or (lieu tinh)) - canh hanh vi nhung ((huong tinh) OR (khuong tinh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: thiet ((yeu tinh) or (lieu tinh)) - canh hanh vi nhung ((huong tinh) OR (khuong tinh)) toan cau*.