Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
cong vang » cong lang, cong quang, cong san
hoc lieu » hoc dieu, hoc sieu, ho lieu
hoc tieu » hoc thieu, hoc dieu, hoc sieu
manh cua » doanh cua, ban cua
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 lieu) or (hoc tieu)) tinh - lanh manh cua nhung ((cong vang) OR (cong ngang)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc lieu) OR (hoc tieu)) tinh - lanh manh cua nhung ((cong vang) OR (cong ngang)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc lieu) or (hoc tieu)) tinh - lanh manh cua nhung ((cong vang) OR (cong ngang)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc lieu) or (hoc tieu)) tinh - lanh manh cua nhung ((cong vang) OR (cong ngang)) toan ban*.