Perhaps you should try some spelling variations:
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang ma » tang ma, sang ma, nang cao
va hanh » van hanh, va thanh, va danh
doi cua » dai cua
hoi cua » hoi chuc
ve cac » vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ly nang ma hoa. hieu ((ve cac) OR (va cac)) nuoc va hanh ((doi cua) or (hoi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ma hoa. hieu ((ve cac) OR (va cac)) nuoc va hanh ((doi cua) OR (hoi cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang ma hoa. hieu ((ve cac) OR (va cac)) nuoc va hanh ((doi cua) or (hoi cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ma hoa. hieu ((ve cac) OR (va cac)) nuoc va hanh ((doi cua) or (hoi cua)) tre*.