Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
thang cua » thong cua, hang cua, than cua
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
theo doi » theo duoi, theo don, theo dong
toan cao » toan ban
toan tap » toan ban
theo bo » thao bo, theo don, theo hop

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo bo) OR (theo doi)) manh - cang thang cua thong thong dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo bo) OR (theo doi)) manh - cang thang cua thong thong dan ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo bo) OR (theo doi)) manh - cang thang cua thong thong dan ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ((theo bo) OR (theo doi)) manh - cang thang cua thong thong dan ((toan cao) or (toan tap))*.