Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
hoc chiet » hoc nhiet, hoc hien, hoc viet
hoc thiet » hoc thieu, hoc thuyet, hoc hien
doanh cua » doanh luan
thong cap » thong cac, trung cap, thong cua
manh cua » ban cua
cap toan » tap toan, lap toan, phap 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: ((hoc chiet) OR (hoc thiet)) tach - hanh ((manh cua) or (doanh cua)) khong thong cap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chiet) OR (hoc thiet)) tach - hanh ((manh cua) OR (doanh cua)) khong thong cap toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chiet) OR (hoc thiet)) tach - hanh ((manh cua) or (doanh cua)) khong thong cap toan ban*".