Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
nhung cong » dung cong, thong cong, hang cong
tien manh » tien anh, tien thanh, tieng anh
hang hang » nang hang, hung thang, lang thang
cua nhung » va nhung
hoc tien » hoc tieng, hoc hien, hoc vien
tan cac » tai cac, ton cac, tan ca
tap cac » tai cac, tap trac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien manh - ((hang hang) or (cang thang)) cua nhung cong ((tan cac) OR (tap cac)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien manh - ((hang hang) OR (cang thang)) cua nhung cong ((tan cac) OR (tap cac)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tien manh - ((hang hang) or (cang thang)) cua nhung cong ((tan cac) OR (tap cac)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc tien manh - ((hang hang) or (cang thang)) cua nhung cong ((tan cac) OR (tap cac)) cau*.