Perhaps you should try some spelling variations:
tinh pho » tinh phu, tich pho, tinh cho
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
va tinh » may tinh
su tien » su kien, su hien, tu tieng
te sac » te sach, te cac
te san » te ban, ke san, tu san
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
cam tu » cam thu, nam tu, dam tu
pho su » pho tu, pho cu, phong su

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) or (te san)) ky nang ma hoi. hieu ve cam tu va tinh pho su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te san)) ky nang ma hoi. hieu ve cam tu va tinh pho su tien.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te san)) ky nang ma hoi. hieu ve cam tu va tinh pho su tien*.