Perhaps you should try some spelling variations:
tranh chua » tranh cua, trinh chuan, tranh chap
dong trong » duong trong, dung trong, cong trong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
chua dong » cua dong, ha dong, huy dong
trong san » trong cac, cong san, dong san
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » toan cao, toan tap, toan tai
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 thiet) or (ho chieu)) tach - canh tranh chua dong trong san ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thiet) OR (ho chieu)) tach - canh tranh chua dong trong san ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) or (ho chieu)) tach - canh tranh chua dong trong san ((toan cau) or (toan ban))*.