Perhaps you should try some spelling variations:
hoach dinh » hoang dinh
tinh thua » trinh thuc, ninh thuan, tinh phu
hoc giao » hoc cao
su hoach » quy hoach, thu hoach, qui hoach
tinh su » trinh su, hinh su, tinh tu
dinh su » dinh so, hinh su, dinh cu
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( te sac ((tinh su) or (tinh thua)) - hoc giao ) or ( su hoach dinh su - hoc giao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sac ((tinh su) OR (tinh thua)) - hoc giao ) OR ( su hoach dinh su - hoc giao )).
• Adding a wildcard symbol may retrieve word variants: (( te sac ((tinh su) or (tinh thua)) - hoc giao ) or ( su hoach dinh su - hoc giao ))*.