Perhaps you should try some spelling variations:
hoc thiet » hoc thuyet, hoc hien, toc thieu
hoc thieu » toc thieu, hoc hien
cua trong » cua truong, cua trung, qua trong
ho chiet » ho chieu, ho thiet, hoa thiet
cong cua » cong cu, dong cua, huong cua
cong tan » cong tac, cong san, cong thanh
tan gian » tran gian, dan gian, van gian
gian cau » gian chau, gian cac, gian cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chiet) or (((hoc thiet) OR (hoc thieu)))) tach - thanh cong cua trong cong tan gian cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (((hoc thiet) OR (hoc thieu)))) tach - thanh cong cua trong cong tan gian cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) or (((hoc thiet) OR (hoc thieu)))) tach - thanh cong cua trong cong tan gian cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (((hoc thiet) OR (hoc thieu)))) tach - thanh cong cua trong cong tan gian cau*.