Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
hieu ve » hieu va, hieu van
cam loc » cam lo
sang xa » song xa, lang xa, mang xa
cua tre » cuu tre, cua triet, dua tren
sang ma » tang ma, nang ma, sang tao
va hanh » van hanh, va thanh, va danh
loc va » hoc va, luc va
te sac » te sach, te cac, te san
ve cam » ve cham, ve cac, va cam
sac ky » cac ky, sai ky
cua te » cua tu

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 ky ((sang xa) or (sang ma)) hoi. hieu ve cam loc va hanh lai ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((sang xa) OR (sang ma)) hoi. hieu ve cam loc va hanh lai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky ((sang xa) or (sang ma)) hoi. hieu ve cam loc va hanh lai ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: te sac ky ((sang xa) or (sang ma)) hoi. hieu ve cam loc va hanh lai ((cua tre) OR (cua te))*.