Perhaps you should try some spelling variations:
hoach nhan » doanh nhan, hoach toan, hoang nhan
phap chong » phap phong, phap cong, pham hong
sach phap » sach phat, sach nha, sach tham
chong khi » khong khi, cong khi, chong hiv
tao khoi » thao khoa, lao khoa, tao boi
tu sach » thu sach, su sach, te sach
tao hoi » tao boi, tay hoi, thao hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu sach phap chong khi đong luc ) or ( thu hoach nhan ((tao hoi) OR (tao khoi)) đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach phap chong khi đong luc ) OR ( thu hoach nhan ((tao hoi) OR (tao khoi)) đong luc )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu sach phap chong khi đong luc ) or ( thu hoach nhan ((tao hoi) OR (tao khoi)) đong luc ))".
• Adding a wildcard symbol may retrieve word variants: (( tu sach phap chong khi đong luc ) or ( thu hoach nhan ((tao hoi) OR (tao khoi)) đong luc ))*.