Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
canh tinh » hanh tinh, manh tinh, canh tranh
thong dan » thong van, tuong dan, thong den
ve thong » he thong, va thong, ve phong
phan dau » phan tu
hang dau » hang va, hang tai
tinh ve » trinh ve, tinh ven, dinh ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien danh) or (trieu tinh)) - canh tinh ve thong thong dan ((phan dau) or (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (trieu tinh)) - canh tinh ve thong thong dan ((phan dau) OR (hang dau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) or (trieu tinh)) - canh tinh ve thong thong dan ((phan dau) or (hang dau))*.