Perhaps you should try some spelling variations:
hoach thiet » hoc thiet, hanh thiet, hoach chien
thong minh » thong tin, hoang minh
dong trong » duong trong, dung trong, cong trong
trong tinh » truong tinh, trong kinh, trong sinh
gioi dong » gioi dang, gioi song, gioi trong
co thong » bo thong, co trong, co phong
sach bai » sach dao, cac bai, sach xa
hoc gioi » hoc giai, hoc nguoi, hoc giao
ke gian » ke giao, ke gia, ke giai
gian co » gian o, gian cua, gian cac
tu sach » thu sach, su sach, te sach
bai hoc » dai hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu hoach thiet ke gian co thong minh ) or ( tu sach bai hoc gioi dong trong tinh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach thiet ke gian co thong minh ) OR ( tu sach bai hoc gioi dong trong tinh )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach thiet ke gian co thong minh ) or ( tu sach bai hoc gioi dong trong tinh ))*.