Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
thang cua » thong cua, hang cua, tang cua
than cua » nhan cua, thai cua, ban cua
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - nhanh ((thang cua) OR (than cua)) thong cong tap toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - nhanh ((thang cua) OR (than cua)) thong cong tap toan ban*".