Perhaps you should try some spelling variations:
hinh trong » chinh trong, dinh trong, sinh trong
chieu sach » chinh sach, chiet tach, chieu sang
trong quan » thong quan, tong quan, thong quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
quan dung » quang dung, quan duong, qua dung
trong dan » trong dang, trong san, trong tan
toan cao » toan ban, 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 ((hieu manh) or (chieu sach)) - hinh trong quan dung trong dan ((van ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu sach)) - hinh trong quan dung trong dan ((van ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu sach)) - hinh trong quan dung trong dan ((van ban) or (toan cao))*.