Perhaps you should try some spelling variations:
nhung xuong » nhung huong, nhung tuong, nhung phuong
manh trung » manh tung, thanh trung, manh hung
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
xuong dan » huong dan, xuong san, tuong dan
hoc dieu » hoc hien
toan cau » toan ban, toan tap, toan tai
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 dieu) or (hoc thieu)) tinh - manh trung cua nhung xuong dan ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc thieu)) tinh - manh trung cua nhung xuong dan ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) or (hoc thieu)) tinh - manh trung cua nhung xuong dan ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc thieu)) tinh - manh trung cua nhung xuong dan ((toan cau) OR (toan cao))*.