Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
tinh vi » trinh vi, tinh voi, tinh va
cu tren » tu tren, dua tren
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
xuc va » tuc va, luc va, xac va
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: su sach ty nang ma hoi. lieu va cam ((xuc va) OR (duc va)) tinh vi ((cua te) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ma hoi. lieu va cam ((xuc va) OR (duc va)) tinh vi ((cua te) OR (cu tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang ma hoi. lieu va cam ((xuc va) OR (duc va)) tinh vi ((cua te) or (cu tren))".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ma hoi. lieu va cam ((xuc va) OR (duc va)) tinh vi ((cua te) or (cu tren))*.