Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
chiet tach » chieu sach
hoc chiet » hoc thiet, hoc nhiet, 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 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 tach - hanh ((manh cua) OR (doanh cua)) khong thong cap toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - hanh ((manh cua) OR (doanh cua)) khong thong cap toan ban*.