Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
hoc trieu » hoc thieu, hoc tieu, hoc dieu
thong cua » thong quan, thong tu, huong cua
dung cong » dung trong
mang cua » manh cua, dung cua, ban cua
toan ban » van ban
toan cao » toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc trieu tinh - hanh ((thong cua) or (mang cua)) dung cong ngang ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trieu tinh - hanh ((thong cua) OR (mang cua)) dung cong ngang ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc trieu tinh - hanh ((thong cua) or (mang cua)) dung cong ngang ((toan ban) or (toan cao))*.