Perhaps you should try some spelling variations:
tuong tuong » tuong duong, trong tuong, duong truong
tuong thong » thong thong, tong thong, tuong tong
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh luan » trinh luan, trinh luat, doanh luan
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu tinh - canh tranh luan ((tuong thong) OR (tuong tuong)) dan ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - canh tranh luan ((tuong thong) OR (tuong tuong)) dan ((toan tai) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - canh tranh luan ((tuong thong) OR (tuong tuong)) dan ((toan tai) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - canh tranh luan ((tuong thong) OR (tuong tuong)) dan ((toan tai) or (toan tap))*.